43053397 has 2 divisors, whose sum is σ = 43053398. Its totient is φ = 43053396.

The previous prime is 43053383. The next prime is 43053419. The reversal of 43053397 is 79335034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28238596 + 14814801 = 5314^2 + 3849^2 .

It is a cyclic number.

It is not a de Polignac number, because 43053397 - 2¹⁵ = 43020629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43053337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21526698 + 21526699.

It is an arithmetic number, because the mean of its divisors is an integer number (21526699).

Almost surely, 2^43053397 is an apocalyptic number.

It is an amenable number.

43053397 is a deficient number, since it is larger than the sum of its proper divisors (1).

43053397 is an equidigital number, since it uses as much as digits as its factorization.

43053397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 43053397 is about 6561.5087441838. The cubic root of 43053397 is about 350.4847622908.

The spelling of 43053397 in words is "forty-three million, fifty-three thousand, three hundred ninety-seven".